When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Samples from asteroid Itokawa collected by a Japanese space probe suggest that Earth's water may ...

The sun’s solar wind may have played a key part in delivering water to Earth, solving a vexing mystery about where our planet’s seas and oceans came from. Studies of meteorites have found them to be ...

So-called cracks in the Earth's magnetic field have led to spectacular aurora light shows being seen in the skies, despite there not having been a solar storm to generate them. According to ...